<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
</head>
<body>
<div id="app">
  <h1>{{message}}</h1>
<!--  <select name="movie" v-model="movie">-->
<!--    <option value="海王">海王-->
<!--    <option value="海泽王">海泽王-->
<!--    <option value="海贼王">海贼王-->
<!--    <option value="海王之王">海王之王-->
<!--  </select>-->
<!--  多选貌似被删除了-->
  <select name="abc" v-model="movies" multiple>
    <option value="海王">海王</option>
    <option value="海泽王">海泽王</option>
    <option value="海贼王">海贼王</option>
    <option value="海王之王">海王之王</option>
  </select>
  <h1>您选择的影片：{{movies}}</h1>
</div>

<script src="../js/vue.js"></script>
<script>
  //let(变量)和const(常量)
  const app = new Vue({
    el: '#app',
    data: {
      message: '中国牛蛙！',
      movie: '',
      movies: []
    }
  })
</script>
</body>
</html>